How to add a new node to C1TreeView in client side?

//how to create a node in client?
// Can I write :"var node=new C1.Web.UI.Controls.C1TreeView.C1TreeViewNode(); " ? Can javascript support the type of "C1.Web.UI.Controls.C1TreeView.C1TreeViewNode"?
trvw.get_nodes().add(aNode);